Sure Klean® Weather Seal Siloxane PD Water Repellent Specification Specifier Note: The information provided below is intended to guide the Architect in developing specifications for products manufactured by P ROSOCO, Inc. and should not be viewed as a complete source of information about the product(s). The Architect should always ref er to the Product Data Sheet and MS DS for additional recommendations and for safety information. See also PROSOCO S ection 07190 Water Repellents. Specifier Note: Paragraph below is for PA RT 1 GENE RAL, Quality Assurance. Test Area Test a minimum 4 ft. by 4 ft. area on each type of masonry. Use the manufacturer’s application instructions. Let test area protective treatment cure before inspection. Keep test panels available for comparis on throughout the protective treatment project. Specifier Note: Paragraphs below are for PART 2 PRODUCTS, Manuf acturers and Products. Manufacturer: PROS OCO, Inc., 3741 Greenway Circle, Lawrence, KS 66046. Phone: (800) 255-4255; Fax: (785) 830-9797. E-mail: CustomerCare@prosoco.com Product De scription ® Sure Klean Weather Seal Siloxane PD (predilute) is a ready to-use, water-based silane/siloxane water repellent for concrete, GFRC, and most masonry and stucco surfaces. Siloxane PD is a low-V OC treatment that penetrates more deeply than conventional water repellents and helps masonry resist cracking, spalling, staining and other damage related to water int rusion. Low odor and alkaline stable, Siloxane PD is ideal for field and in -plant application. Technical Data SOLIDS: 7.0% FORM: White milky liquid SPECIFIC GRAV ITY: 0.998 FLASH POINT: > 200 degrees F (>93 degrees C) (AS TM D 3278 VOC: 203 grams/liter (AS TM D 3960) FREE ZE POINT: 32 degrees F (0 degrees C) Limitations Won’t keep wat er out of cracks, defects or open joints. Water repellency of treated surfaces will increase for up to 14 days after application. Specifier Note: Paragraphs below are for PART 3 EXECUTION, Installation. Application Before applying, read “Protect” and “Precautionary Measures” sections in the Manufacturer’ s Product Data Sheet for Weather Seal Siloxane P D. Refer to the P roduct Data Sheet for additional information about application of Weather Seal Siloxane PD. Do not dilute or alter. Vertical Application Instructions 1. For best results, apply protective treatment “wet-on-wet” to a visibly dry and absorbent surface. 2. Alternate Application Methods Spray: Saturate from the bottom up, creating a 4” to 8” (15 to 20 cm) rundown below the spray contact point. Let the first application penetrate for 5 -10 minutes. Res aturate. Less will be needed for the second application. Brush or roller: Saturate uniformly. Let protective treatment penetrate for 5 to 10 minutes. Brush out heavy runs and drips that don’t penetrate. Dense Surface Application Instructions Apply in a single, saturating application with no run down. Back roll all runs and drips to ensure uniform appearance. DO NOT OVER APPLY. One application is normally enough. Always test. Horizontal Application Instructions 1. Saturate in a single application. Use enough to keep the surface wet for 2 to 3 minut es before penetration. 2. Broom out puddles until they soak in. Treated surfaces dry to touch in 1 hour. Protect surfaces from rainfall for 6 hours following treatment. Many surfaces need several days to develop full water repellency.
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